var submenufocus = false;


function initLogoRollOver()
	{
	var logo = document.getElementById('mainlogo');
	logo.onmouseover = function (){this.src='/img/logo2_over.gif';}
	logo.onmouseout = function (){this.src='/img/logo2.gif';}
	}

function initdropdown()
	{
	var ico = document.getElementById('dropdown');
	ico.onclick = function ()
		{
		var submenu = document.getElementById('submenu');
		submenu.style.display = 'block';
		setTimeout("submenuhide()", 500);
		return false;
		}
	var submenu = document.getElementById('submenu');
	submenu.onmouseover = function () {submenufocus = true;}
	submenu.onmouseout = function () {submenufocus = false;}
	}

function submenuhide()
	{
	if (!submenufocus)
		{
		var submenu = document.getElementById('submenu');
		submenu.style.display = 'none';
		}
	else
		{setTimeout("submenuhide()", 500);}
	}